Home / 289,935,827.80-400,111,501.56-159,555,635.80

Finding the Fourth Proportional to 289,935,827.80, 400,111,501.56 and 159,555,635.80

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Solution

The fourth proportional to 289,935,827.80, 400,111,501.56 and 159,555,635.80 is: 220,186,809.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,935,827.80 : 400,111,501.56 = 159,555,635.80 : x
  2. Step 2: Convert to fraction form
    289,935,827.80/400,111,501.56 = 159,555,635.80/x
  3. Step 3: Cross multiply
    289,935,827.80x = 400,111,501.56 × 159,555,635.80
  4. Step 4: Simplify right side
    289,935,827.80x = 63,840,045,022,298,496
  5. Step 5: Solve for x
    x = 63,840,045,022,298,496/289,935,827.80
  6. Step 6: Final answer
    x = 220,186,809.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.